﻿#region Copyright(c) 2006 ZO, All right reserved.
// -----------------------------------------------------------------------------
// Copyright(c) 2006 ZO, All right reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   1.  Redistribution of source code must retain the above copyright notice,
//       this list of conditions and the following disclaimer.
//   2.  Redistribution in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//   3.  The name of the author may not be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// -----------------------------------------------------------------------------
#endregion


#region Using directives

using System.Text;
using ZO.SmartCore.Standards.StringPrep.Properties;

#endregion

namespace ZO.SmartCore.Standards.StringPrep
{
    internal class DefaultProhibitedTable : ProhibitedTable
    {

        #region Constructors
        /// <summary>
        /// Initializes a new instance of the <see cref="DefaultProhibitedTable"/> class.
        /// </summary>
        public DefaultProhibitedTable(char[][] chars) : base() { this.chars = chars; }

        #endregion

        #region Destructor

        #endregion

        #region Fields
        private char[][] chars;

        #endregion

        #region Events

        #endregion

        #region Operators

        #endregion

        #region Properties

        #endregion

        #region Methods
        /// <summary>
        /// Verifies the character sequence
        /// </summary>
        /// <param name="text">The character sequence to verify.</param>
        public override void Verify(StringBuilder text)
        {
            if ((text == null) || (text.Length == 0))
            {
                return;
            }


            for (int index = 0; index < text.Length; index++)
            {
                char ch = text[index];
                if (Contains(ch))
                {
                    throw new ProhibitedException(Resources.ProhibitedCharacters);
                }
            }
        }

        /// <summary>
        /// Determines whether [contains] [the specified actual].
        /// </summary>
        /// <param name="actual">The actual.</param>
        /// <returns>
        /// 	<c>true</c> if [contains] [the specified actual]; otherwise, <c>false</c>.
        /// </returns>
        protected bool Contains(char actual)
        {

            for (int i = 0; i < chars.Length; i++)
            {
                for (int j = 0; j < chars[i].Length; j++)
                {
                    char temp = chars[i][j];

                    if (temp == actual)
                    {
                        return true;
                    }
                }
            }
            return false;
        }


        /// <summary>
        /// Determines whether [contains] [the specified s].
        /// </summary>
        /// <param name="s">The s.</param>
        /// <returns>
        /// 	<c>true</c> if [contains] [the specified s]; otherwise, <c>false</c>.
        /// </returns>
        internal override bool Contains(StringBuilder s)
        {
            for (int j = 0; j < s.Length; j++)
            {
                if (Contains(s[j]))
                {
                    return true;
                }
            }
            return false;
        }

        #endregion
    }
}
